Whether your ad is shown only once to each visitor (Unique Impressions) or any number of times – is something that you will have to work out with the nad-network or the website.
或者你的广告是每个访问者只展示一次（惟一印象）或者是任意多次，这些都需要你与广告网络商或者站长来一起确定。
Whether your ad is shown only once to each visitor (Unique Impressions) or any number of times – is something that you will have to work out with the nad-network or the website.
或者你的广告是每个访问者只展示一次（惟一印象）或者是任意多次，这些都需要你与广告网络商或者站长来一起确定。
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